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Keiko YAMADA
Department of Liberal Arts and Sciences, School of Health Sciences, Sapporo Medical University
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Yoko YAMADA
Department of Home Economics, Faculty of Education, Hokkaido University of Education
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Morimichi FUKUDA
Department of Laboratory Diagnostic Ultrasound and Medical Electronics, School of Medicine, Sapporo Medical University
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Shoji YAMADA
Department of Home Economics, Faculty of Education, Hokkaido University of Education